1996
DOI: 10.1002/pc.10684
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Influence of fiber surface treatment on the properties of sisal‐polyester composites

Abstract: The effect of several chemical treatments, viz. organotitanate, zirconate, silane, and N‐substituted methacrylamide, on the properties of sisal fibers used as reinforcement in unsaturated polyester resin (∼50 vol%) was investigated. An improvement in the properties was observed when sisal fibers were modified with surface treatments. Under humid conditions, a decrease of 30 to 44% in tensile and 50 to 70% in flexural strength has been noted. The strength retention of surface‐treated composites (except silane) … Show more

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Cited by 180 publications
(108 citation statements)
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“…Work carried out by Fonseca et al, (2004) showed that sisal polyester composites resulted a tensile strength, tensile modulous, impact strength of 7 MPa, 1.7GPa and 328±65 respectively. However, the elongation at break (1.7%) found to be higher than that of the similar polyester sisal composites as reported by Singh et al, (1996). A 69% decrease on tensile strength and a 46% decrease on elongation at break were observed with sisal addition for the polyester-sisal composites.…”
Section: Sisal Polyester Compositementioning
confidence: 43%
“…Work carried out by Fonseca et al, (2004) showed that sisal polyester composites resulted a tensile strength, tensile modulous, impact strength of 7 MPa, 1.7GPa and 328±65 respectively. However, the elongation at break (1.7%) found to be higher than that of the similar polyester sisal composites as reported by Singh et al, (1996). A 69% decrease on tensile strength and a 46% decrease on elongation at break were observed with sisal addition for the polyester-sisal composites.…”
Section: Sisal Polyester Compositementioning
confidence: 43%
“…They concluded that, compared to thermoset resin composites, sisal fibre-low density polyethylen (LDPE) composites showed a better reinforcing effect due to the high matrix ductility and high strength/modulus ratio of sisal fibres as compared to that of LDPE matrix. Singh et al(1996) have studied the effect of several chemical treatments, such as organotitanate, zirconate, silane, and Nsubstituted methacrylamide, on the physical and mechanical properties of sisal fiber reinforced unsaturated polyester resin composites. An improvement in the mechanical properties was observed when sisal fibers were modified with surface treatments.…”
Section: Sisal Fibre Reinforced Thermoset Compositesmentioning
confidence: 99%
“…It was found that exposure of sisal fibre to gamma-irradiation increased the dc conductivity, which has been explained on the basis of microstructure. Singh et al (1998) have studied the adsorptive interaction between sisal fibre and coupling agents using contact angle measurements and Fourier transform infrared spectroscopy. It was found that high contact angle and reduced hydroxyl groups on titanate-treated fibres favor its better hydrophobicity over the other treatments.…”
Section: Structure and Properties Of Sisal Fibrementioning
confidence: 99%
“…Brazil is the largest producer of sisal fibers in the world 120,000 t per year with yields of around 800-1200 kg/ha, and accounts for 58% of the world production. In the industry, sisal is transformed into several varieties of yarns, cords, mats and blankets, being used for making various products, such as in reinforcing plastic composites, where researchers have shown promising results 21,[23][24][25] . Another material with potential uses are the fibers from the husk of coconuts and these fibers are commonly know as coir, which after processing, produces long and short fibers.…”
Section: Introductionmentioning
confidence: 99%